.body{
    font-size: 30px;
    &:hover{
        color:red;
    }
}

a{
    text-decoration: none;
    &:active{
        color:red;
    }
    &:hover{
        color:blue;
    }
    &:link{
        color:blueviolet;
    }
    &:visited{
        color: brown;
    }
}


.button{
    @error: #dc3545;
    @warning: #fd7e14;
    @success: #28a745;
    @info: #17a2b8;
    font-size: 12px;
    @border:1px solid;
    &-success{
        background-color: @success;
        border: @border @success;
    }
    &&-success{
        background-color: @success;
        border: @border @success;
    }
    &-info{
        background-color: @info;
        border: @border @info;
    }
    &-warning{
        background-color: @warning;
        border: @border @warning;
    }
}

.item{
    color:red;

    & a{
        font-size: 20px;
    }

    div &{
        font-weight: bold;
    }
    &#itany{
        color:blue;
    }
}